15 citations · 29 across the 8 of their papers we have counts for
5 papers · 1 filter
WhatsApp Vaccine Discourse (WhaVax): An Expert-Annotated Dataset and Benchmark for Health Misinformation Detection
Jônatas H. dos Santos, Julio C. S. Reis, Philipe Melo +9
We introduce WhaVax, a new expert-annotated dataset of vaccine-related WhatsApp messages collected from large Brazilian public groups spanning multiple pandemic years. The dataset…
A Sticker is Worth a Thousand Words: Characterizing the Use of Stickers in WhatsApp Political Groups in Brazil
Philipe Melo, João M. M. Couto, Daniel Kansaon +3
With the increasing use of smartphones, instant messaging platforms turned into important communication tools. According to WhatsApp, more than 100 billion messages are sent each d…
Telegram Monitor: Monitoring Brazilian Political Groups and Channels on Telegram
Manoel Júnior, Philipe Melo, Daniel Kansaon +3
Instant messaging platforms such as Telegram became one of the main means of communication used by people all over the world. Most of them are home of several groups and channels t…
Characterizing (Un)moderated Textual Data in Social Systems
Lucas Henrique Costa de Lima, Julio Reis, Philipe Melo +2
Despite the valuable social interactions that online media promote, these systems provide space for speech that would be potentially detrimental to different groups of people. The…
Inside the Right-Leaning Echo Chambers: Characterizing Gab, an Unmoderated Social System
Lucas Lima, Julio C. S. Reis, Philipe Melo +4
The moderation of content in many social media systems, such as Twitter and Facebook, motivated the emergence of a new social network system that promotes free speech, named Gab. S…